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Overview of membrane filters
Sep 14, 2017

The core of the membrane filter is the membrane, a film which is prepared on the micro-Cong Cento layer (the support body), which is covered with more tiny pores. Many researchers at home and abroad have been based on the hydrophilic quality of ceramic materials in the hope of using ceramic membranes to treat water, but after study, it is generally considered that the problem of membrane fouling is still difficult to solve. According to the adsorption mechanism and the pore characteristics of the membrane layer and supporting layer, it can be explained why the membrane filtration is not easy to block water and is very easy to clog with oily water.

For a general solid suspension, a particle larger than the membrane hole is trapped (screened) on the surface of the membrane, smaller than the membrane hole particles through the membrane hole, as a filter film is very thin, and can not be adsorbed on these particles, although the supporting layer is relatively thick, but the pore relative to the membrane hole larger, not enough to produce adsorption.

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